Read Exodus 27:2 Using Other Translations
And thou shalt make the horns of it upon the four corners thereof: his horns shall be of the same: and thou shalt overlay it with brass.
And you shall make horns for it on its four corners; its horns shall be of one piece with it, and you shall overlay it with bronze.
Make horns for each of its four corners so that the horns and altar are all one piece. Overlay the altar with bronze.